SARFEX 180 mg tablets: Uses, Dosage, FAQ

SARFEX, is an over-the-counter medication, belonging to a class of medicines called antihistamines. SARFEX relieves allergy symptoms, including sneezing, runny nose, watery eyes, itchy throat, and skin rashes.

SARFEX tablets(180 mg tablets) used in adults and children aged 12 years or older to: 

  • Relief symptoms associated with seasonal allergic rhinitis and allergic rhinitis. 
  • Relief symptoms of urticaria .

SARFEX is generally well tolerated. The most common adverse events are: headache, fatigue, dizziness or drowsiness and nausea. 

SARFEX recommended dosage for adults and children aged 12 years or older: 180 mg once daily, when required

Quick Facts about SARFEX tablets

  • For adults and children aged 12 years or older: SARFEX tablets intended for use by adults and children over 12 years. For children younger than 12 years SARFEX syrup is recommended.
  • Pregnancy: Do not take SARFEX if you are pregnant, unless necessary.
  • Breastfeeding mothers: SARFEX is not recommended during breast-feeding.
  • Interaction with some indigestion medicines: Indigestion remedies containing aluminium and magnesium may affect the action of SARFEX by lowering the amount of medicinal product absorbed. It is recommended that you leave about 2 hours between the time that you take SARFEX and your indigestion remedy.
  • Can be taken With or without food: SARFEX may be taken with or without food. Take SARFEX Tablets with a glass of water to make it easier to swallow.
  • 5 days: Take SARFEX for up to 5 days, if necessary. If symptoms persist after 5 days, consult your Doctor.
فينادكس ( فيكسوفينادين ) النشرة الداخلية
FENADEX is simillar(alternative ) to SARFEX

What is SARFEX?

SARFEX contains an active ingredient called fexofenadine hydrochloride. It is one of a group of medicines called antihistamines. Antihistamines help reduce allergic symptoms by preventing the effects of a substance called histamine, which your body produces when exposed to certain substances. 

SARFEX is a non-sedating antihistamine which means it has been shown not to cause drowsiness.

What are the uses of SARFEX?

SARFEX 180 mg tablets: used in adults and adolescents of 12 years and older to relieve the symptoms that occur with long term allergic skin reactions (chronic idiopathic urticaria) such as itching, swelling and rashes.

Dosage and administration

For adults and children aged 12 years and over:

  • SARFEX 180 mg Tablets:  The recommended dose is one tablet (180 mg) daily. Take your tablet with water before a meal. This medicine starts to relieve your symptoms within 1 hour and lasts for 24 hours.

Follow the instructions written on the back of the box. 

  • If you take the wrong dose, SARFEX may not work as well and your symptoms may not improve.
  • Take SARFEX tablets with a glass of water to make it easier to swallow. SARFEX may be taken with or without food.
  • Take SARFEX for up to 5 days, if necessary. If symptoms persist after 5 days, consult your Doctor or Pharmacist. 
  • Do not try to make up for missed doses by taking more than one dose at a time. This may increase the chance of getting an unwanted side effect. If it is almost time for your next dose, skip the dose you missed and take the next dose when you are meant to. But if there is still a long time to go before your next dose, take it as soon as you remember, and then go back to taking it as you would normally.
تلفاست اقراص -النشرة الداخلية
Telfast is simillar(alternative to) SARFEX

What is the duration of treatment with SARFEX?

For how long can I continue taking SARFEX? The duration of use depends on the case of the allergy.

  • For acute cases: it can be taken with the onset of symptoms and stopped when the symptoms have ended, and it can be reused if the symptoms return again. 
  • For chronic cases: it can be taken daily throughout the period of exposure to the allergen ( Sometimes treatment with SARFEX can extend throughout the spring season).

Can SARFEX Tablets be used by hypertensive patients?

Yes, SARFEX tablets can be used by hypertensive patients. SARFEX will not affect blood pressure, but it may interact with some medicines that are used to lower blood pressure. 

SARFEX can be taken by patients with high blood pressure safely, but after making sure that it will not interact with other medicines that they are taking to lower their blood pressure. 

As a general rule: If you have high blood pressure, consult your doctor before taking any allergy medication to make sure it is safe for you.

Side effects

All medicines can cause side effects. Sometimes they are serious, but most of the time they are not. You may need medical treatment if you get some of the side effects. Although most people will not experience any, some of the side effects that could occur with SARFEX are: 

  • Headache.
  • Tiredness.
  • Nausea.
  • Dizziness.
  • Drowsiness.

Uncommon side effects (may affect up to 1 in 100 people): 

  • Tiredness.
  • Sleepiness.

Additional side effects (frequency not known: cannot be estimated from the available data) which may occur are:

  • difficulty sleeping (insomnia).
  • sleeping disorders.
  • bad dreams.
  • Nervousness.
  • fast or irregular heart beat.
  • Diarrhoea.
  • skin rash and itching.
  • Hives.
  • serious allergic reactions which can cause swelling of the face, lips, tongue or throat, flushing, chest tightness, and difficulty breathing. 

Reporting of side effects 

If you get any side effects, talk to your doctor, pharmacist or nurse. This includes any possible side effects not listed in this leaflet. 

Saudi Arabia – National Center for Pharmacovigilance and Drug Safety

Egypt – Egyptian Pharmacy Vigilance Center

  • Email:
  • Website:
  • Phone: 0020225354100 – Ext.1303.
  • Facebook page:
  • Mobile application: Google play store \ Egy vigilance
  • Fax: 0020223610497
  • Address: 21 Abdel Aziz Al Saud Street – Manial Al Rawda – Cairo – P.O. Box 11451.

Driving and using machines

It is unlikely that fexofenadine hydrochloride tablets will produce an effect on the ability to drive or use machines. However, some people are more sensitive and may have an unusual reaction to medicines, so care should be taken before driving or performing complicated tasks.

Tips to help reduce your symptoms 

There are a few things you can do that might help reduce your hay fever symptoms. The following tips may help prevent hayfever: 

  • during pollen seasons, on windy days or after thunderstorms keep doors and windows shut at home and in your car.
  • shower or bathe after activities where you may have been exposed to pollen.
  • during pollen seasons use the recirculated air setting in the car.
  • don’t hang clothes outside because pollen can stick to them, especially when it’s windy.
  • avoid mowing the lawn or wear a mask while doing it .
  • vacuum your house regularly. Pollen can remain on the carpet for up to three months.


  • Do not take SARFEX tablets if you are:
  • pregnant, intend to become pregnant, or if you are breastfeeding, unless advised to do so by a Doctor or Pharmacist.
  • Do not take SARFEX if you have an allergy to fexofenadine, terfenadine or any of the other  ingredients in SARFEX. Some of the symptoms of an allergic reaction may include skin rash, difficulty in breathing or faintness.
  • Do not give SARFEX tablets to children under 12 years of age.
  • Do not take SARFEX after the expiry date (EXP) printed on the pack or if the packaging is damaged or shows signs of tampering. If you take it after the expiry date has passed, it may not work as well. 


You should inform your pharmacist or doctor if you have any allergies to any other medicines, foods, preservatives or dyes. Your pharmacist or doctor will consider these points when recommending SARFEX. 

Consult your Doctor or Pharmacist if you have any of the following symptoms:

  • blocked nose without any other symptoms. 
  • symptoms on only one side of your nose. 
  • thick, green or yellow discharge from your nose.
  • repeated nosebleeds.
  • loss of smell.
  • a drip down the back of your throat with thick mucus and/or runny nose.
  • taste disturbances or loss of taste .
  • ear pain or discomfort.
  • pain in your face.
  • Fever.

These symptoms are not usually found in hayfever. 

If you are taking medicines to treat heartburn and indigestion that contain aluminium or magnesium hydroxide, wait 2 hours before taking SARFEX.

How to store SARFEX?

  • Keep this medicine out of the sight and reach of children. 
  • Do not use this medicine after the expiry date which is stated on the carton after EXP. The expiry date refers to the last day of that month.
  • This medicine does not require any special storage condition. 
  • Do not throw away any medicines via wastewater or household waste. Ask your pharmacist how to throw away medicines you no longer use. These measures will help protect the environment. Ref: 1, 2, 3, 4.

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For Arabic Information
SARFEX 180 mg tablets- Arabic Information

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